What of the following happens first? Introns are edited out of the premature RNA.
RNA polymerase reaches a terminator region.
Nucleotides are covalently linked together.
RNA polymerase binds to a promoter region of DNA.

Imagine ? person stepping on a pin and pulling his or her foot way look at the réfléchir arc of the scenarios below

Drag each description to the correct location on the image. not all descriptions will be used. describe the parts of a comet. the frozen part of the comet the atmosphere of gases and dust formed when the nucleus vaporizes tail made of small, solid dust particles tail made of ions that appears to point away from the comet's orbit

This is a scaffolding of protein fibers that us sell keep it shape in a cell division and cell movement